31280799

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 50216544

約数和(自身を除く): 18935745

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 121, 137, 187, 363, 407, 411, 561, 629, 1221, 1507, 1887, 2057, 2329, 4477, 4521, 5069, 6171, 6919, 6987, 13431, 15207, 16577, 20757, 25619, 49731, 55759, 76109, 76857, 86173, 167277, 228327, 258519, 281809, 613349, 845427, 947903, 1840047, 2843709, 10426933, 31280799]

約数ペア:

[(1, 31280799), (3, 10426933), (11, 2843709), (17, 1840047), (33, 947903), (37, 845427), (51, 613349), (111, 281809), (121, 258519), (137, 228327), (187, 167277), (363, 86173), (407, 76857), (411, 76109), (561, 55759), (629, 49731), (1221, 25619), (1507, 20757), (1887, 16577), (2057, 15207), (2329, 13431), (4477, 6987), (4521, 6919), (5069, 6171)]